Which of the following procedures would be best for achieving for following reaction ?

Which of the following procedures would be best for achieving the following reaction ?

Which of the following procedures would be best for achieving the following reaction ?

Which of the following procedures would be best for achieving the following reaction ?

Which of the following procedures would be best for achieving the following reaction ?

Which of the following prcedure would be best for achieving the following reaction ?

Which of the following procedures would be best for the preparation of phenyl benzyl ether ? C_(6)H_(5)OCH_(2)C_(6)H_(5)

Which of the following reagents would be the best reactants for the following synthesis?